But then there would have to be access into the house on the lower level from that garage. I'm just saying, it would be pretty easy to back a vehicle up to that door and bring anything inside unnoticed...especially if there was no room to pull into the garage.
I think it would be easier to drive the car into the garage and enter the home through a door between the garage and the area where there is a fireplace (back of the house, behind the garage).